Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7357211 | Steering system for off-road vehicle An off-road vehicle includes a frame and wheels. An engine powers the wheels through a drive system that includes a front differential gear unit. A housing encloses the front differential gear unit. The housing is positioned generally on a longitudinal center plane ... | 04/15/2008 |
| 7290637 | Hydraulic steering mechanism and driving-steering-wheel support mechanism The hydraulic steering mechanism according to the present invention includes an axle case, a first steering case, a second steering case, a first arm, a second arms, a third arm, a hydraulic actuator, and a tie rod. The first, second and third arms are provided to t... | 11/06/2007 |
| 7284628 | Multipurpose motor vehicle with two coaxial parallel wheels and more electromagnetic holonomic wheels in tandem A vehicle with zero turning radius employing a minimum of two generally parallel matching annular wheels mounted with independent pneumatic toroidal suspensions fixed coaxially on a chassis. The wheels have mounted on their inner hub sides frictional linings along w... | 10/23/2007 |
| 7264567 | Wedge loading mechanism for traction drives A wedge loading mechanism for an eccentric planetary traction drive in which a roller having a flexibly mounted shaft is positioned between two raceways forming a convergent wedge. Rotation of either of the two raceways wedges the roller within the convergent wedge ... | 09/04/2007 |
| 7252616 | Torque transfer device having a constant velocity joint output A torque transfer device, such as a transfer case for a motor vehicle, having a constant velocity joint integrated therewith is disclosed. In one embodiment, the constant velocity joint includes an outer race rotatably mounted within the torque transfer device and a... | 08/07/2007 |
| 7228932 | Wheel end condition detection system This invention provides a vehicle axle assembly including a wheel end supported on an axle by bearings. A system uses ABS to detect lateral movement of the wheel end relative to the axle using a sensor and tone ring. A fault code is generated during excessive latera... | 06/12/2007 |
| 7210375 | Unitary case for an angular drive The application relates to a unitary case for a plurality of angular drives which comprises at least one bevel gear step with a first bevel gear and a second bevel gear, and which is provided for achieving various angles between a transmission input shaft and a tran... | 05/01/2007 |
| 7044258 | Direct drive suspension A skid steer vehicle is supported on four gearboxes that function both as control arms and as speed reduction gearboxes. Each side of the vehicle's chassis has two gearboxes to which it is coupled. A hydraulic motor is fixed to each side of the chassis to drive the ... | 05/16/2006 |
| 7044244 | Multi-wheel vehicle A vehicle comprises a steering operation device, a pair of running-driving wheels, which differentially drive when the steering operation device is manipulated, a pair of steerable running wheels interlocking with the steering operation device, and a steering mechan... | 05/16/2006 |
| 7021414 | Birdcage bearing assembly and suspension connection for a high performance vehicle A birdcage assembly for a high performance vehicle includes a birdcage having an opening defined by an inner periphery. The birdcage is secured to a rear suspension of the vehicle and is maintained in a substantially vertical position. The opening is intended to rec... | 04/04/2006 |
| 7000707 | Differential device A differential device has a power-transmitting member mounted to undergo rotation in forward and reverse directions about a central rotational axis and to undergo linear movement in a direction along the central rotational axis. The power-transmitting member has mes... | 02/21/2006 |
| 6951259 | Multi-wheel vehicle A vehicle comprises a steering operation device, a pair of running-driving wheels, which differentially drive when the steering operation device is manipulated, a pair of steerable running wheels interlocking with the steering operation device, and a steering mechan... | 10/04/2005 |
| 6890282 | Driveline for mobile vehicles A driveline for a mobile vehicle comprises a one-step planetary transmission (7) in which the outer central wheel (10) is non-rotatably held, the inner central wheel (6) forms the output and the planet carrier (12) forms the output which ... | 05/10/2005 |
| 5996439 | Brake pedal mechanism A brake pedal mechanism limits the reaction force applied on a brake pedal lever pivot. The pivot is formed by a slot closed by a tang yieldably connected to a retaining arm of a pivotable release lever. A release arm of the release lever is engagable by ... | 12/07/1999 |
| 5941335 | Integral wheel end assembly The present invention relates to a wheel end assembly wherein the constant velocity universal joint, the spindle, and the wheel flange are combined into an integral unit that is easy to install and service. The wheel end assembly comprises a steering knuc... | 08/24/1999 |
| 5479998 | Electronic powered motor vehicle A motor vehicle with an on-board propelling power source and operator control functions for steering, increasing and decreasing the vehicles rate of motion. The vehicle includes a chassis with an operator seat for receiving a human operator; a front wheel... | 01/02/1996 |
| 5472062 | Hydraulic drive system for steerable wheel of dump truck A hydraulic drive system of a steerable wheel of a dump truck facilitates the attaching and detaching of a hydraulic motor and allows for a large hydraulic motor to be used. In the drive system, a wheel axle is rotatably supported within a receptacle seat... | 12/05/1995 |
| 5356351 | Shuttlecar wheel end In a shuttlecar wheel end, the wheel unit on which the wheel is mounted is driven by a right angle drive and incorporates first and second planetary gear reduction stages acting sequentially to supply a twice reduced drive to the wheel. Each gear reductio... | 10/18/1994 |
| 4896740 | Wheel bearing support A wheel bearing support with an eccentric drive has a drive shaft extending through the input side bearing arrangement. A gear is provided around the internal circumference of the wheel hub, which is driven by the drive shaft via intermediate gears. Vario... | 01/30/1990 |
| 4821834 | Mounting of a steerable wheel A mounting of a steerable wheel, in particular a driven wheel, which is carried on a front axle of an agricultural tractor, has a pivot axis which is displaced horizontally rearwardly with respect to the center of rotation of the wheel. The pivot axis is ... | 04/18/1989 |
| 4798260 | Steering apparatus for a front wheel drive tractor A steering apparatus for a front wheel drive tractor comprising, at each of opposite lateral sides thereof, a front axle, a front axle case housing the front axle, a kingpin, a transmission case provided in an outer end region of the front axle case to be... | 01/17/1989 |
| 4733737 | Drivable steerable platform for industrial, domestic, entertainment and like uses This invention comprises a driveable, steerable platform for industrial, domestic, entertainment and related uses. A frame member travels on a plurality of wheels which can be turned 360° to steer the platform in a desired direction. Separate endless dri... | 03/29/1988 |
| 4733743 | Driving arrangement for a track-adjustable motor vehicle bearing axle having selectively drivable wheels A driving arrangement for selectively drivable wheels of a motor vehicle has, in or on an adjustable bearing axle, telescopic input shafts connected at one end to a direction-changing gear and at the other end to an input shaft for a spur gearing in a swi... | 03/29/1988 |
| 4597468 | Compact industrial vehicle A compact industrial vehicle, for example in the form of a compact loader, has four steered wheels may be swiveled through 180° between two end positions. The vehicle has a straddling or gantry chassis and the wheels are mounted on straddling axles, whos... | 07/01/1986 |
| 4576394 | Tractor A tractor comprises a lifting device and two driven front sets of wheels which are power driven and steerable about a common axis. Each front set of wheels has two side-by-side front wheels driven by a kingpin which extends between them. Front of the fron... | 03/18/1986 |
| 4553624 | Front-wheel driving apparatus A front-wheel driving apparatus for use in tractors and the like has bevel-gear cases one each of which a front-wheel case is fitted for free rotation about a kingpin axis, the front-wheel case being adapted to support a front wheel and accommodate therei... | 11/19/1985 |
| 4545458 | Drive mechanism for steering wheels of vehicle A drive mechanism for the steering wheels of a vehicle. The drive mechanism includes a housing adapted to be mounted on the frame of the vehicle and a differential gear in the housing adapted to be operatively connected to the drive shaft of the vehicle. ... | 10/08/1985 |
| 4516654 | Front-wheel drive device for vehicle The invention relates to a front-wheel drive device for a vehicle in which an inner gear case is mounted onto the outer end of a front axle housing which contains a front-wheel drive axle, an outer gear case equipped with a gear chamber which is open towa... | 05/14/1985 |
| 4482336 | Homokinetic tripod joint and the application of the joint in a wheel hub structure A homokinetic tripod joint includes a first element connected to rotate with a tripod element having rollers and a second element having runways for the rollers. The first and second elements form a ball and socket connection with the first and second ele... | 11/13/1984 |
| 4482025 | Steered and driven axle-end assembly A steered and driven axle-end assembly has a steering knuckle whose inside and outside halves are pivotal about an upright pivot axis. An axle extends into the inside knuckle half and is connected to the inner side of a universal joint whose outer side is... | 11/13/1984 |
| 4442914 | Front wheel driving device of vehicle A front wheel driving device for agricultural vehicle or the like. The device has a front axle housing accommodating a front wheel drive shaft. An inner gear case is attached to the outer side of the front axle housing. An outer gear case is steerably sec... | 04/17/1984 |
| 4441570 | Connecting a hub to the drive of a traction chain vehicle, or the like A mounting sleeve extends from a vehicle body or other housing and contains on its body/housing side a planetary gearing whereby, in particular, the sleeve is provided with an internal ring gear for planetary gearing; the sun gear is carried by an input s... | 04/10/1984 |
| 4424879 | Wheel-hub with an epicyclic reduction gear, especially for the front axle of agricultural tractors A wheel hub with an epicyclic reducing gear is disclosed, which essentially comprises a bottom section in the form of a cup which is bolted to an intermediate belt like section having a ring gear formed in its inner periphery, a planetary gear carrier car... | 01/10/1984 |
| 4418785 | Steered and driven axle-end assembly A steered and driven axle-end assembly has a steering knuckle whose inside and outside halves are pivotal about an upright pivot axis. An axle extends into the inside knuckle half and is connected to the inner side of a universal joint whose outer side is... | 12/06/1983 |
| 4371049 | Steering axle A steering axle comprises a steering shaft connected to a wheelhub either directly or through a planetary gear set, and to a shaft joint. The shaft joint includes an external component which is connected to a driven shaft. A boot is affixed to the steerin... | 02/01/1983 |
| 4344501 | Geared hub The specification of the present application discloses a geared hub for use in transmitting power to the wheels of a vehicle. The geared hub is particularly useful for all terrain type vehicles where high strength and reliability are required. The hub use... | 08/17/1982 |
| 4315556 | Hub reduction gear unit A hub reduction gear drive unit for mounting in a hub of a vehicle. Essentially, the hub reduction gear unit comprises an epicyclic gear train in which the planet gear carrier is retained stationary so that the planet gear carrier also forms a hub axle an... | 02/16/1982 |
| 4301886 | Front wheel drive In a drive for driving front wheels through transmissions disposed at the ends of front axles to be drivingly rotated, a cylindrical front axle case for enveloping and rotatably supporting the front axles is integrally formed with transmission cases for e... | 11/24/1981 |
| 4294326 | Wheel support assembly A motor vehicle wheel support assembly, with a stationary casing, a stub axle for a road wheel supported within the casing by thin-walled bearing liners, a thrust plate carried by the axle and engaged by thrust washers in the casing to take axial loads, a... | 10/13/1981 |
| 4275799 | Wheel hub and homokinetic joint assembly The assembly comprises a hub and a homokinetic joint comprising a first tripod element connected to the hub and defining three trunnions on which are mounted three part-spherical rollers and a second element connected to a transmission shaft and defining ... | 06/30/1981 |
